In a hire-purchase agreement between Argungu Ltd and Maikudi, Argungu Ltd inserted the provision that it can enter Marikudi's premises at any time and remove the hired vehicle for any breach. This provision is

Sabo and Gambo entered into a contract for the sale of two baskets of tomatoes belonging to Gambo. Before the date of delivery and without any default by Gambo, the tomatoes were stolen. This is an example of termination of contract by